4. ANOVA (4 points) An experiment was carried out to evaluate the effective of three different types of \"texture-modifying agents" in hotdogs. The texture (hardness) of the hotdogs was evaluated by eight panelists using a line scale, with values ranging from (very soft) to (very hard). The result of Analysis of Variance is summarized in the table below. Please answer the following questions Source of Variation SS df M5 F caic P-vaiue F criticai Judges 30.5 7 4.3 5.6 4.35E-05 Treatment 96.9 3 32.3 41.7 4.53E-15 Interaction 12.1 21 0.6 0.7 0.770 Within (Error) 49.5 64 0.8 Total 189 95 I. Find an approximate F critical at p